Chapter 2 Flashcards
(26 cards)
how many species?
given scientific name?
land/ocean?
size?
3-100 million 1.8 name 6.5 land 2.2 oceans 99% smaller than wasps
why do we classify animals?
- help identify unknown
- indication of revolutionary relationships
- easier to study organisms
- helps keep track of organisms
- helps arrange organisms into order
- help communicate globally
taxonomy?
science of classification
hierarchical classification?
grouped according to the hierarchy
similarities/differences
pyramid
taxa?
kingdom phylum class order family genus species
kingdom Animalia characteristics?
multicellular, eukaryotic, heterotrophic
phylum chordata?
vertebra (backbone, internal skeleton)
class mamalia?
mammals, hairy, external ear flaps, mammary glands, four chambered heart
order primates?
flexible hands, grasping fingers/feet, good eyesight, developed brain
family Hominidae?
flat face, 3D vision
genus Homo?
upright posture
species sapiens?
higher vertical forehead large brain volume thin skull bones smaller teeth jaw prominent chin
why does the binomial system exist?
globally know what organism
human?
Home sapiens
tiger?
Panthera tigris
bee?
Apis mellifera
gemsbok?
Oryx gazelle
house cat?
Felis catus
african elephant?
Loxodonta africana
lion?
Panthera leo
cheetah?
Acinonyx jubatus
camel thorn tree?
Acacia eriolob
kudu?
Tragelaphus strepsiceros
leopard?
Panthera pardus
